{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Gender", "Subject.Age", "Subject.Race", "Subject.Population", "Combination.Drug", "Treatment", "Treatment.Duration", "Subject.Disorder", "Subject", "Treatment.Drug", "Treatment.Route", "Treatment.Dosage", "Treatment.Freq", "Treatment.Time_elapsed", "Treatment.Disorder", "Effect"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Subject.Race", "Subject", "Treatment.Route", "Treatment.Freq", "Treatment.Disorder", "Treatment.Time_elapsed", "Treatment.Drug", "Subject.Disorder", "Treatment.Duration", "Subject.Population", "Subject.Gender", "Combination.Drug", "Subject.Age", "Effect"]}], "input": "Presentation of three palliative care patients who were given ketamine as an analgesic and subsequently developed significant and debilitating urological symptoms."}
{"adverse event": [{"trigger": "developed ", "arguments": {"Subject.Gender": "NAN", "Subject.Age": "NAN", "Subject.Race": "NAN", "Subject.Population": "three", "Combination.Drug": "NAN", "Treatment": "ketamine", "Treatment.Duration": "NAN", "Subject.Disorder": "NAN", "Subject": "three palliative care patients", "Treatment.Drug": "ketamine", "Treatment.Route": "NAN", "Treatment.Dosage": "NAN", "Treatment.Freq": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment.Disorder": "NAN", "Effect": "urological symptoms"}}], "potential therapeutic event": []}